Pith Number

pith:ZAUOLB7U

pith:2008:ZAUOLB7UXNTV5K5YUNLCU3HCFX

not attested not anchored not stored refs pending

Granulation in K-type Dwarf Stars. I. Spectroscopic observations

C. Allende Prieto, Department of Astronomy, D. L. Lambert (McDonald Observatory, I. Ramirez, University of Texas at Austin)

arxiv:0810.5247 v1 · 2008-10-29 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZAUOLB7UXNTV5K5YUNLCU3HCFX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T17:13:22.943276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c828e587f4bb675eabb8a3562a6ce22ddd0808c3ad849cc9c1461e0fe00b14ca

Aliases

arxiv: 0810.5247 · arxiv_version: 0810.5247v1 · doi: 10.48550/arxiv.0810.5247 · pith_short_12: ZAUOLB7UXNTV · pith_short_16: ZAUOLB7UXNTV5K5Y · pith_short_8: ZAUOLB7U

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZAUOLB7UXNTV5K5YUNLCU3HCFX \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: c828e587f4bb675eabb8a3562a6ce22ddd0808c3ad849cc9c1461e0fe00b14ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "325372a47096c599915c9079cf116e1b0db17bfc9ec6e6d48b8c9b8b5284f04f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-29T11:20:27Z",
    "title_canon_sha256": "e4a5d04efc50b9414d0a826c3e6d5a92f686598fad18b3127480830edae19b5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.5247",
    "kind": "arxiv",
    "version": 1
  }
}